LM3555 datasheet(9/37 Pages) TI2

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VIN (V)

1.30

1.12

0.94

0.76

0.58

0.40

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = +25°C

TA = +85°C

TA = -30°C

VLED = 3.6V

ILED = 500 mA

BRCTORCH (#)

0.20

0.18

0.16

0.14

0.12

0.10

0.08

0.06

0.04

0.02

0.00

TA = -30°C, +25°C, +85°C

VIN (V) = 3.6 V, VLED (V) = 3.0 V

VIN (V)

0.60

0.58

0.56

0.54

0.52

0.50

0.48

0.46

0.44

0.42

0.40

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = -30°C

TA = +25°C

TA = +85°C

VLED = 3.6V

BRC (#)

0.60

0.55

0.50

0.45

0.40

0.35

0.30

0.25

0.20

0.15

0.10

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

TA = +85°C

TA = -30°C and +25°C

VIN (V)

0.080

0.075

0.070

0.065

0.060

0.055

0.050

0.045

0.040

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = +25°C

VLED (V) = 6.0 V (2 LEDs)

TA = +85°C

TA = -30°C

VIN (V)

0.100

0.095

0.090

0.085

0.080

0.075

0.070

0.065

0.060

2.5

3.0

3.5

4.0

4.5

5.0

5.5

TA = +25°C

VLED (V) = 6.1 V (2 LEDs)

TA = +85°C

TA = -30°C

LM3555

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SNVS594G – DECEMBER 2008 – REVISED APRIL 2016

Product Folder Links: LM3555

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Typical Characteristics (continued)

Unless otherwise specified: TA = 25°C; VIN = 3.6 V; CIN1= 10 µF, CIN2= 0.1 µF, COUT = 11 µF; L = 2.2 µH.

Two LEDs at 60 mA

Figure 7. Torch Current vs Input Voltage

Two LEDs at 80 mA

Figure 8. Torch Current vs Input Voltage

Figure 9. Single LED Flash Current vs Brightness Code

One LED at 500 mA

Figure 10. LED Current vs Input Voltage

One LED at 500 mA

Figure 11. Input Current vs Input Voltage

One LED

Figure 12. Torch Current vs Brightness Code

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